Development, Enterprise and Environment

Transcription

1 Development, Enterprise and Environment Oliver Sheppard Dp9 100 Pall Mall SW1Y 5NQ Our reference: D&P/3032 Date: Town & Country Planning Act 1990 (as amended); Greater London Authority Acts 1999 and 2007; Town & Country Planning (Mayor of London) Order 2008 GLA Ref. No: D&P/3032 Camden Council Planning Ref. No: 2013/3807/P Applicant: Royal Mail Group GRANT OF PLANNING PERMISSION SUBJECT TO PLANNING CONDITIONS AND IN ACCORDANCE WITH PLANS AND APPLICATION AS REFERENCED BELOW The Mayor of London, as the Local Planning Authority, has considered your application and grants planning permission for the following development, in accordance with the terms of the above mentioned application (which expression shall include the drawings and other documents submitted therewith): Comprehensive redevelopment, following the demolition of existing buildings, to construct four new buildings ranging from 5 to 15 storeys (above basement level) in height, to provide 38,724 sqm (GIA) of residential floorspace (345 dwellings) (Class C3), 823 sqm (GIA) of flexible retail and community floorspace (Use Classes A1, A2, A3, D1 or D2), with associated energy centre, waste and storage areas, basement level residential car parking (54 spaces), the re-provision of Royal Mail staff car parking (approx 196 spaces) cycle parking, residential cycle parking (431 residential spaces) hard and soft landscaping to provide public and private areas of open space, alterations to the public highway and all other necessary excavation and enabling works At: Land to west of Royal Mail Sorting office bounded by Phoenix Place, Mount Pleasant, Gough Street & Calthorpe St. Camden WC1 In accordance with the application registered on: 28 June 2013 Subject to the following conditions:

2 Pre-commencement 1 Commencement CB01a The development hereby permitted must be begun not later than the end of three years from the date of this permission. Reason: In order to comply with the provisions of Section 91 of the Town and Country Planning Act 1990 (as amended). 2 Approved Plans The development hereby approved shall, unless reserved for approval within another condition attached to this decision or within an associated legal agreement, be carried out in accordance with the following approved plans: 11159_MP_(00)_P _MP_(00)_P _MP_(00)_P003 P1; 11159_MP_(00)_P _MP_(00)_P _MP_(00)_P012 P1; 11159_MP_(00)_P _MP_(00)_P _MP_(00)_P _MP_(00)_P _MP_(00)_P _MP_(00)_P _MP_(00)_P103 P1; 11159_MP_(00)_P200 P1; 11159_MP_(00)_P201 P1; 11159_MP_(00)_P300 P1; 11159_MP_(00)_P301 P1; 11159_P1_(00)_P020 P1; 11159_P1_(00)_P021 P1; 11159_P1_(00)_P022 P1; 11159_P1_(00)_P023 P1; 11159_P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P150 P1; 11159_P1_(00)_P151 P1; 11159_P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P158 P1; 11159_P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P163 P1; 11159_P1_(00)_P _P1_(00)_P165 2

3 11159_P1_(00)_P _P1_(00)_P167 P1; 11159_P1_(00)_P _P1_(00)_P _P1_(00)_P _P1_(00)_P203 P1; 11159_P1_(00)_P300 P1; 11159_P1_(00)_P301 P1; 11159_P1_(00)_P _P1_(00)_P _P1_(00)_P400 P1; 11159_P1_(00)_P401 P1; 11159_P1_(00)_P402 P1; 11159_P1_(00)_P _P1_(00)_P _P1_(00)_P500 P1; 1660 P2 (00) P010 P1; 1660 P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P150 P1; 1660 P2 (00) P151 P1; 1660 P2 (00) P152 P1; 1660 P2 (00) P153 P1; 1660 P2 (00) P154 P1; 1660 P2 (00) P155 P1; 1660 P2 (00) P156 P1; 1660 P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P P2 (00) P401 P1; 1660 P2 (00) P402 P1; 1660 P2 (00) P P2 (00) P500 P1; LL435_MP_(00)_040 P3; LL435_MP_(00)_050 LL435_MP_(00)_100 LL435MP(00)114 P3; LL435_MP_(00)_150 P5; LL435_P1_(00)_151 LL435_P1_(00)_100 LL435_P2_(00)_100 LL435_P2_(00)_110 P2. 3 Section Plan 4 GLAAS Archaeology Reason: In the interests of proper planning. A plan showing the physical extent of the two Sections that make up the Phoenix Place development shall be submitted to the Local Planning Authority prior to any works commencing on the site. No development shall take place until the applicant (or their heirs and successors in title) has: A) secured the implementation of a programme of archaeological investigation in accordance with a Written Scheme of Investigation which has been submitted by the applicant and approved by the Local Planning Authority in writing. The archaeological investigation shall be thereafter be carried out in accordance with the Written Scheme of Investigation approved under Part 3

4 (A). B) The development shall not be occupied until the site investigation and post investigation assessment has been completed in accordance with the programme set out in the Written Scheme of Investigation approved under Part (A), and the provision made for analysis, publication and dissemination of the results and archive deposition has been secured. REASON: Heritage assets of archaeological interest are expected to survive on the site. The planning authority wishes to secure the provision of appropriate archaeological investigation, including the publication of results. In the interests of protecting archaeological remains in accordance with the NPPF and London Plan Policy 7.8 and policy CS 14 of the London Borough of Camden Local Development Framework Core Strategy and policy DP26 of the London Borough of Camden Local Development Framework Development Policies. 5 Land Contamination At least 28 days before development commences: (a) a written programme of ground investigation for the presence of soil and groundwater contamination and landfill gas shall be submitted to and approved by the local planning authority; and (b) following the approval detailed in paragraph (a), an investigation shall be carried out in accordance with the approved programme and the results and a written scheme of remediation measures [if necessary] shall be submitted to and approved by the local planning authority. The remediation measures shall be implemented strictly in accordance with the approved scheme and a written report detailing the remediation shall be submitted to and approved by the local planning authority prior to occupation. Reason: To protect future occupiers of the development from the possible presence of ground contamination arising in connection with the previous industrial/storage use of the site in accordance with policy CS5 of the London Borough of Camden Local Development Framework Core Strategy and policy DP26 of the London Borough of Camden Local Development Framework Development Policies. 6 Land Contamination In the event that additional significant contamination is found at any time when carrying out the approved development it must be reported in writing immediately to the local planning authority. An investigation and risk 4

5 assessment must be undertaken in accordance with the requirements of the Environment Agency's Model Procedures for the Management of Contamination (CLR11), and where mitigation is necessary a scheme of remediation must be designed and implemented to the satisfaction of the local planning authority before any part of the development hereby permitted is occupied. Reason: To protect future occupiers of the development from the possible presence of ground contamination arising in connection with the previous industrial/storage use of the site in accordance with policy CS5 of the London Borough of Camden Local Development Framework Core Strategy and policy DP26 of the London Borough of Camden Local Development Framework Development Policies 7 Land Contamination (asbestos) Prior to the commencement of development on the relevant Section the applicant is required to carry out an asbestos survey, of the existing site. Where required, the applicant shall provide a scheme/risk assessment for safe asbestos removal and submit it in writing to the planning authority for approval. Reason: 8 TW Piling Method Statement No impact piling shall take place on the relevant Section until a piling method statement (detailing the type of piling to be undertaken and the methodology by which such piling will be carried out, including measures to prevent and minimise the potential for damage to subsurface water infrastructure, and the programme for works) has been submitted and approved in writing by the Local Planning Authority in consultation with Thames Water. Any piling must be undertaken in accordance with the approved piling method statement. REASON: The proposed works will be in close proximity to underground water utility infrastructure. Piling has the potential to impact on local underground water utility infrastructure. 9 TW Water Supply Development should not be commenced on the relevant Section until Impact 5

6 10 EA SUDS studies of the existing water supply infrastructure have been submitted to, and approved in writing by, the local planning authority (in consultation with Thames Water). The studies should determine the magnitude of any new additional capacity required in the system and a suitable connection point. The development shall be carried out in accordance with the Impact studies and connection point details so approved. REASON: To ensure that the water supply infrastructure has sufficient capacity to cope with the/this additional demand in accordance with Policy DP23 of the London Borough of Camden Local Development Framework Development shall not begin on the relevant Section until a detailed surface water drainage scheme for the site, based on the agreed Flood Risk Assessment (FRA) prepared by Waterman Transport and Development, presented in Appendix 14.1, dated April 2013, has been submitted to and approved in writing by the Local Planning Authority. The scheme shall subsequently be implemented in accordance with the approved details before the development is completed. The scheme shall include a restriction in run-off and surface water storage on site as outlined in the FRA. The runoff from the site should be reduced to no more than 71 l/s for the 1 in 100 year storm event. Reason: To prevent the increased risk of flooding, to improve and protect water quality, and improve habitat and amenity in accordance with Policies CS13 and DP23 of the London Borough of Camden Local Development Framework 11 BM01 Basement Excavation The relevant Section of the development hereby approved shall not commence until such time as a suitably qualified chartered engineer with membership of the appropriate professional body has been appointed to inspect, approve and monitor the critical elements of both permanent and temporary basement construction works throughout their duration to ensure compliance with the design which has been checked and approved by a building control body. Details of the appointment and the appointee's responsibilities shall be submitted to and approved in writing by the Council prior to the commencement of development. Any subsequent change or reappointment shall be confirmed forthwith for the duration of the 6

7 construction works. Reason: To safeguard the appearance and structural stability of neighbouring buildings and the character of the immediate area in accordance with the requirements of policy CS14 of the London Borough of Camden Local Development Framework Development Policies and policy DP27 (Basements and Lightwells) of the London Borough of Camden Local Development Framework Development Policies. Pre-superstructure commencement 12 Sound Insulation (between uses) Full particulars and details of a scheme for sound insulation between the commercial and residential uses of blocks A & C shall be submitted to and approved in writing by the Local Planning Authority prior to superstructure works commencing on that part of the development. The sound insulation and noise control measures shall be carried out strictly in accordance with the details so approved, shall be implemented prior to the first occupation of the development hereby approved, shall be maintained as such thereafter and no change therefrom shall take place without the prior written consent of the Local Planning Authority. REASON: To secure an appropriate internal residential environment and to protect the amenities of the occupiers of the residential accommodation in accordance with policy DP28 of the London Borough of Camden Local Development Framework. 13 CE02A Landscaping No super-structure works on the relevant Section shall take place until full details of hard and soft landscaping and means of enclosure of all un-built, open areas have been submitted to and approved by the Council. [Such details shall include details of any proposed earthworks including grading, mounding and other changes in ground levels.] The relevant part of the works shall not be carried out otherwise than in accordance with the details thus approved. Reason: To enable the Council to ensure a reasonable standard of visual amenity in the scheme in accordance with the requirements of policy CS14 [if landscape details], [CS15 if trees only and/or in CA] of the London Borough of Camden Local Development Framework Core Strategy and 7

8 14 Materials policy DP24 [if landscape details] of the London Borough of Camden Local Development Framework Development Policies. Details of facing materials including samples shall be submitted to and approved in writing by the Local Planning Authority on a Section by Section basis prior to any super structure works commencing on the relevant Section. The details and samples shall include: a. 1:50 elevations of all entrances (residential, office, flexible use) to include doors, sections, elevational and threshold treatments, all to be shown in context and to a scale of 1:50. b. brickwork including buff, red and brown coloured with varied mortar colours (including brick panels and mortar courses); c) cladding panels; d) window treatment (including sections and reveals); e) roofing materials; f) louvered treatment to substations; g) glazing; h) balustrading treatment (including sections); i) any other materials to be used. An elevational mock-up of external materials to be used in blocks A, B, C and D shall be erected on site and shall be approved in writing by the Local Planning Authority prior to any works commencing on blocks A, B, C or D. The development shall be carried out strictly in accordance with the details, samples and elevational mock-up so approved, shall be maintained as such thereafter and no change therefrom shall take place without the prior written consent of the Local Planning Authority. Reason: In the interests of securing sustainable development and to ensure that the resulting appearance and construction of the development is of a high standard in accordance with 15 Privacy Screens / Glazing Scheme Prior to superstructure works commencing on the relevant Block(s), details of privacy screens / obscure glazing or other design features to prevent or minimise overlooking between flats located within, and with views towards / 8

9 between: a. The facing elevations at the northern end of Block A; b. The facing elevations between Blocks B and C; shall be submitted to and approved in writing by the Local Planning Authority. The development shall be carried out strictly in accordance with the details so approved and shall be maintained as such thereafter. Reason: In the interest of neighbouring residential amenity and to ensure that the resulting development does not give rise to undue privacy or overlooking issues in accordance with policy CS5 (Managing the impact of growth and development) of the London Borough of Camden Local Development Framework Core Strategy and policy DP26 (Managing the impact of development on occupiers and neighbours) of the London Borough of Camden Local Development Framework Development Policies 16 Roof Level Structures 17 Air Quality Prior to superstructure work commencing on the relevant building(s), details of any roof-level structures (including lift over-runs, flues/extracts and photovoltaic panels) shall be submitted to and approved in writing by the Local Planning Authority on a section by section basis. The details shall include a justification for the height and size of the rooflevel structures, their location, height above roof level, specifications and cladding. The development shall be carried out strictly in accordance with the details so approved and no change therefrom shall take place without the prior written consent of the Local Planning Authority. No roof-level structures shall be installed other than those approved. Reason: In the interests of good design and also to ensure that the Local Planning Authority may be satisfied that any roof-level structures do not have a harmful impact on the surrounding streetscene or the character and appearance of the area in accordance with policies 3.5, 7.4, 7.6 and 7.8 of the London Plan 2011 and policy CS14 of the London Borough of Camden Local Development Framework Core Strategy and policies DP24 and DP25 of the London Borough of Camden Local Development Framework Development Policies. Prior to any superstructure works, a report detailing measures to minimise the exposure of the development s future occupiers to air pollution with 9

10 details for a ventilation strategy shall be submitted to and approved in writing by the Local Planning Authority. The development shall thereafter be carried out strictly in accordance with the measures so approved, and shall be maintained as such thereafter, unless otherwise approved in writing by the Local Planning Authority. Reason: To ensure residents exposure to pollution is minimised in accordance with policy 7.14 of the London Plan 2011 and policy DP32 of the London Borough of Camden Local Development Framework. 18 Sound Insulation (glazing) Prior to any super structure works a scheme setting out the glazing sound insulation performance for each octave band centre frequency, to demonstrate that good to reasonable internal noise levels (BS8233) will be achieved shall be submitted to and discharged in writing by the Local Planning Authority. The assessment shall address predicted temporary and permanent noise levels generated from the sorting office and the Calthorpe Street development site. Reason: To ensure an acceptable level of residential amenity in accordance Policy DP26 of the London Borough of Camden Local Development Framework Development Policies. 19 Cycle Storage / Facilities (full details) Details of the layout, design and appearance of the bicycle storage areas and end of trip cyclist facilities shall be submitted to and approved in writing prior to any superstructure works commencing on the relevant Section. Reason: To ensure the development provides adequate cycle parking facilities in accordance with the requirements of policy CS11of the London Borough of Camden Local Development Framework Core Strategy and policy DP17 of the London Borough of Camden Local Development Framework Development Policies 20 CG20A Waste Storage Details Before development on the relevant Section commences, details of the location, design and method of waste storage and removal (including recycled materials) shall be submitted to and approved by the Council and the approved facility shall therefore be provided prior to the first occupation 10

11 21 Green Roof of any of the new units and permanently maintained and retained thereafter. Reason: To safeguard the amenities of the [adjoining] premises [and the area generally] in accordance with the requirements of policies CS5 and CS7 [if A3/A4/A5 use] of the London Borough of Camden Local Development Framework Core Strategy and policies DP26, DP28 and DP12 [if A3/A4/A5 use] of the London Borough of Camden Local Development Framework Development Policies.. Full details in respect of the green roof in the areas indicated on the approved plans shall be submitted to and approved by the local planning authority before the relevant Section of the development commences. The buildings shall not be occupied until the approved details have been implemented and these works shall be permanently retained and maintained thereafter. Reason: In order to ensure the development undertakes reasonable measures to take account of biodiversity and the water environment in accordance with policies CS13, CS15 and CS16 of the London Borough of Camden Local Development Framework Core Strategy and policies DP22, DP23 and DP32 of the London Borough of Camden Local Development Framework Development Policies. 22 Bird / Bat Boxes Details of bird and bat nesting boxes / bricks to enhance local populations of Biodiversity Action Plan priority species shall be submitted to and approved in writing by the Local Planning Authority prior to any superstructure works in relation to the relevant Section commencing on site. The details shall include the exact location, specification and design. The boxes / bricks shall be installed with the development prior to the first occupation of the building to which they form part or the first use of the space in which they are contained. The nesting boxes / bricks shall be installed strictly in accordance with the details so approved, shall be maintained as such thereafter. REASON: To ensure the development contributes towards creation of habitats and valuable areas for biodiversity in accordance with Policy CS15 of the London Borough of Camden Local Development Framework 11

12 23 Lighting Strategy Prior to the commencement of development (excluding works of demolition, site clearance and the erection of temporary structures) within the relevant Section, full details of a lighting strategy, to include information about potential ecological impacts, relating to the relevant Area, shall be submitted to, and approved in writing by the Local Planning Authority. The approved lighting strategy relating to the relevant Area shall thereafter be fully implemented prior to the first occupation of accommodation within that Area. Reason: To safeguard the appearance of the premises and the character of the immediate area, to protect the amenity of current and future occupiers from light pollution and to ensure compliance with the protection of possible habitats in accordance with policies CS5 (Managing the impact of growth and development), CS14 (Promoting high quality places and conserving heritage) and CS15 (Protecting and improving our parks and open spaces and encouraging biodiversity) of the London Borough of Camden Local Development Framework Core Strategy and policies DP24 (Securing high quality design) and DP26 (Managing the impact of development on occupiers and neighbours) of the London Borough of Camden Local Development Framework Development Policies. 24 Lifetime Homes (details) All units hereby approved shall be constructed to Lifetime Homes standards. 25 Noise (before plant installation) Prior to the installation of any plant and ventilation equipment hereby approved, full details of a scheme for acoustic isolation and anti-vibration measure, including manufacturers specifications, noise levels and attenuation, shall be submitted to and approved by the Local Planning Authority in writing. Installation shall not precede other than in complete accordance with such scheme as has been approved. All such measures shall be retained and maintained in accordance with the manufacturers' recommendations. Reason: 26 CD04A Ad hoc apparatus No lights, meter boxes, flues, vents or pipes, and no telecommunications equipment, alarm boxes, television aerials or satellite dishes shall be fixed or installed on the external face of the buildings, without the prior approval in 12

13 writing of the Council. Reason: To safeguard the appearance of the premises and the character of the immediate area in accordance with the requirements of policy CS14 of the London Borough of Camden Local Development Framework Core Strategy. 27 Landscaping (maintenance) All hard and soft landscaping works shall be carried out to a reasonable standard in accordance with the approved landscape details [by not later than the end of the planting season following completion of the development or any phase of the development] [, prior to the occupation for the permitted use of the relevant Section. Any trees or areas of planting which, within a period of 5 years from the completion of the development, die, are removed or become seriously damaged or diseased, shall be replaced as soon as is reasonably possible and, in any case, by not later than the end of the following planting season, with others of similar size and species, unless the Council gives written consent to any variation. Reason: To ensure that the landscaping is carried out within a reasonable period and to maintain a satisfactory standard of visual amenity in the scheme in accordance with the requirements of policy CS14, [+ CS15 if in CA] of the London Borough of Camden Local Development Framework Core Strategy and policy DP24 of the London Borough of Camden Local Development Framework Development Policies. 28 Basement Parking Barriers Prior to the relevant basement car parking area becoming operational, full details of the electronic gates/barriers to be installed should be submitted and approved by the Local Planning Authority. Reason: 29 Child Playspace Details of all playspaces including drawings and specification of the proposed play equipment shall be submitted to and approved in writing by the Local Planning Authority prior to any superstructure works commencing on site. The development shall be carried out strictly in accordance with the details so approved prior to the first occupation of the relevant section, and shall be maintained as such thereafter and no change therefrom shall take place without the prior written consent of the Local Planning Authority. 13

14 The Condition can be discharged on a Section by Section basis. Reason: 30 CG01A Hours of Use of flexible commercial uses The use hereby permitted shall not be carried out outside the following times 07:00 and 23:00 on any day. Reason: To safeguard the amenities of the adjoining premises and the area generally in accordance with the requirements of policies CS5 and CS7 [if A3/A4/A5 use] of the London Borough of Camden Local Development Framework Core Strategy and policy DP26 [and DP12 if A3/A4/A5] of the London Borough of Camden Local Development Framework Development Policies. 31 Limit on amalgamation of commercial units Should the flexible ground floor spaces be taken up for A1/A2/A3 use, the two units shall not be amalgamated or further subdivided unless otherwise agreed in writing with the Local Planning Authority. Reason: 32 CG08A Noise levels (from plant) Noise levels at a point 1 metre external to sensitive facades shall be at least 5dB(A) less than the existing background measurement (LA90), expressed in db(a) when all plant/equipment (or any part of it) is in operation unless the plant/equipment hereby permitted will have a noise that has a distinguishable, discrete continuous note (whine, hiss, screech, hum) and/or if there are distinct impulses (bangs, clicks, clatters, thumps), then the noise levels from that piece of plant/equipment at any sensitive facade shall be at least 10dB(A) below the LA90, expressed in db(a). Reason: To safeguard the amenities of the [adjoining] premises [and the area generally] in accordance with the requirements of policy CS5 of the London Borough of Camden Local Development Framework Core Strategy and policies DP26 and DP28 of the London Borough of Camden Local Development Framework Development Policies. 33 CH01A Car Parking Provision (needs s106 supplement demarking RM & C3 spaces) The relevant Section shall not be occupied until the whole of the car parking provision for that Section (as shown on the approved drawings) is provided. Thereafter the whole of the car parking provision shall be retained and used for no purpose other than for the parking of vehicles of the occupiers and 14

15 users of the development. Reason: To ensure that the use of the premises does not add to parking pressures in surrounding streets which would be contrary to policy CS5 and CS11 of the London Borough of Camden Local Development Framework Core Strategy and policy DP26 of the London Borough of Camden Local Development Framework Development Policies. 34 Removal of Permitted Development Rights Notwithstanding the provisions of Article 3 of the Town and Country Planning (General Permitted Development) Order 1995 (as amended) or any Order revoking and re-enacting that Order, no development within Part 2 (Classes A-C) of Schedule 2 of that Order shall be carried out without the grant of planning permission having first been obtained from the Local Planning Authority. Reason: To safeguard the visual amenities of the area and to prevent over development of the site by controlling proposed extensions and alterations in order to ensure compliance with the requirements of policies CS14 and CS5 of the London Borough of Camden Local Development Framework Core Strategy and policies DP24 and DP26 of the London Borough of Camden Local Development Framework Development Policies.. 35 Water Consumption CONDITION: The residential part of the development shall be designed to achieve a water use target of no more than 95 litres per person per day, including by incorporating water efficient fixtures and fittings. The above water use target shall apply to all tenures within the development s residential parts. 36 Unit Flipping REASON: To ensure the sustainable use of water. Notwithstanding the approved plans, the detailed layout of Units A ; A ; A ; and A shall be submitted to approved in writing by the local planning authority prior to the commencement of superstructure works on the relevant building. The revised layout will comprise the repositioning of the living rooms to the courtyard elevation. Reason: To ensure an acceptable level of residential amenity in accordance Policy DP26 of the London Borough of Camden Local Development Framework Development Policies. 15

16 Informatives TW SW Informative In order to discharge the surface water condition, the following information must be provided based on the agreed drainage strategy: a) A clearly labelled drainage layout plan showing pipe networks and any attenuation ponds, soakaways and drainage storage tanks. This plan should show any pipe 'node numbers' that have been referred to in network calculations and it should also show invert and cover levels of manholes. b) Confirmation of the critical storm duration. c) Where infiltration forms part of the proposed storm water system such as infiltration trenches and soakaways, soakage test results and test locations are to be submitted in accordance with BRE digest 365. d) Where on site attenuation is achieved through attenuation ponds or tanks, calculations showing the volume of these are also required. e) Where an outfall discharge control device is to be used such as a hydrobrake or twin orifice, this should be shown on the plan with the rate of discharge stated. f) Calculations should demonstrate how the system operates during a 1 in 100 chance in any year critical duration storm event, including an allowance for climate change in line with the National Planning Policy Framework Technical Guidance. If overland flooding occurs in this event, a plan should also be submitted detailing the location of overland flow paths and the extent and depth of ponding. S106 Agreement (linking this to the permission in Islington, 2013/1423/FUL) Section 106 Agreement - You are advised that this permission has been granted subject to a legal agreement under Section 106 of the Town and Country Planning Act 1990 that also includes linkage provisions to the associated planning permission within Islington ref: 2013/1423/FUL. Royal Mail Operations Travel Plan and Freight Operation The applicant is encouraged to investigate opportunities to manage travel demand by employees of the existing Royal Mail Operations and to look ways that it could encourage sustainable best practice for its road fleet as set out in TfL s Fleet Operator Recognition Scheme. 16

17 Signed, Stewart Murray Assistant Director Planning 17